AMS 5 Chapter Notes - Chapter 8: Scatter Plot, Senioritis
17 Apr 2017
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Chapter 8, #1, 2, 4, 5, 7, 10, 11. A study of the iqs of husbands and wives obtained the following results: for husbands, average iq = 100, Sd = 15 for wives, average iq = 100, One of the following is a scatter diagram for the data. D, because (100, 100) is roughly in the middle of the oval and the oval contains points outside of 1 sd. Negative, since unlike wine, mechanical parts don"t get better with age. 2b) more affluent people can afford cars with better gasoline economy cars. Is the correlation between the heights of husbands and wives in the u. s. around -. 9, -. 3, . Suppose men always married women who were exactly 8% shorter. What would the correlation between their heights be?) Assuming we"re going off of problem 3, it"d be . 9 because of how close the values are. Three data sets are collected, and the correlation coefficient is computed in each case.
